Finding the Third Proportional to 70,390 and 151,783

Step by Step Solution

1. Step 1: Write the proportion equation
   70,390 : 151,783 = 151,783 : x
2. Step 2: Convert to fraction form
   70,390/151,783 = 151,783/x
3. Step 3: Cross multiply
   70,390x = 151,783 × 151,783
4. Step 4: Simplify right side
   70,390x = 23,038,079,089
5. Step 5: Solve for x
   x = 23,038,079,089/70,390
6. Step 6: Final answer
   x = 327,291.93